336 83. oucHiDACE^. 



XX Lip pinnateh) ir-hhed {that is, middle lobe bifid and often wiih 

 an intermediate tootK). 



3. O. purpdrea (Huds.) ; basal lobes of cor. -lip linear-oblong, 

 interm. lobe widemng gradually upwards and 2-lobed with an 

 interm. tooth, its lobes denticulate at the tip and broad, spur 

 about 5 as long as the germen, sep. converging into an ovate 

 helmet including the pet., bracts minute. — H. xiii. 378. 0. fusca 

 Jacq. O. militaris Sm., IE. B. 16. — St. 1 — 2 ft. high. L. ovate- 

 oblong, blunt. Fl. in a rather dense spike ; helmet dark purple, 

 variegated ; lip paler with raised rough red points, its term, lobe 

 very broad. — Chalky bushy hills in Kent. P. V. E. 



4. O. militaris (L.) ; basal lobes of cor. -lip linear, interm. lobe 

 broader linear suddenly widened and 2-lobed with an interm. 

 tooth its lobes mostly entire at the tip and broad, spur about I 

 as long as the germen, sep. converging into an ovate-lanceolate 

 Aeforaei including the pet., bracts minute. — E. B. S. 2675. R. xiii. 

 376. — Smaller than the preceding. Helmet ash-coloured or pale 

 purple. Lip purple, white in the middle with raised rough red 

 spots, with a linear space between the pairs of lobes, and its 

 term, lobes broad. — Chalky hills. Berks., Oxf., Bucks, Herts. 

 P. V. E. 



5. 0. Sim'ia (Lam.) ; lobes of lip all long narrow 1-veined 

 linear with an interm. setaceous tooth, spur j as long as the ger- 

 men, sep. converging into an ovate-lanceolate helmet including 

 the pet., bracts minute. — O. tephrosanthos E. B. 1873. B. xiii. 

 373. — More slender than the preceding. Helmet dark purplish. 

 Lip with remarkably slender segments, dark pm'ple, with or with- 

 out smaU rough raised points ; a linear space between the pairs 

 of lobes which are aboirt equal in size. — Chalky hills in Berks., 

 Oxf., and Kent. P. V. E. 



6. 0. ustuldia (L.) ; lobes of lip linear-oblong, spur -J- the 

 length of the germen, sep. converging into a roundish helmet in- 

 cluding the pet., bracts long.—E. B. 18. B. xiii. 368.— St. 4—6 

 in. high. L. lanceolate, acute. Spike oblong, dense, dark at 

 top, nearly white below. Fl. small, many. Helmet dark purple. 

 Pet. linear-lanceolate, blunt. Lip white with purple spots. — 

 Calcareous hills. P. VI. E. 



tt Bracts with 3 or more veins, root-knobs undivided. 



[O. laxifUra (Lam.); lip 3-lobed, lateral lobes rounded and 

 crenulate in front longer than the truncate slightly emarginate 

 interm. lobe, spur shorter than the germen cylindrical, 2 lateral 

 sep. refiexed upwards, pet. converging, anth. obcordate apiculate. 

 —E. B. 8. 2828. B. xiii. 393.— St. 1—2 feet high, round, an- 



